凿岩机

  • na.rock drill; hammer drill
  • 网络Drill; drill rig; plugger

凿岩机凿岩机

凿岩机

na.

1.rock drill; hammer drill; quarrying machine; widowmaker; plugger; jackdrill

11
Uncertainty Analysis and Robust Design of Drill Under Framework of Multidisciplinary Design Optimization
30
Drilling hammers; taper gauges for tapered connections of drill rods and bits

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